Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.471392E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T16:07:27+0800
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    1 Object 1

    AOE ID 35147
    NORAD ID 35147
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59728
    NORAD ID 59728
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB SHIYAN 23 (SY-23)
    Time of Closest Approach 2026-10-17T23:25:58+0000
    Collision Probability (Pc) 1.471392E-6
    Conjunction Distance (km) 2.708 km
    Relative Speed (km/s) 13.718 km/s
    Conjunction Risk Parameters R (Radial): -0.719 | I (In-track): 1.082 | C (Cross-track): -2.375
    Collision Risk Index (CRI) 0.38
    X Position (km) 18.798 16.193
    Position Y (km) 2527.817 2528.199
    Position Z (km) -6520.01 -6520.64
    Velocity X (km/s) 3.49 2.784
    Velocity Y (km/s) 6.232 -6.534
    Velocity Z (km/s) 2.44 -2.53

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB SHIYAN 23 (SY-23)
    Semimajor Axis (a) 6999.078 km 6984.936 km
    Eccentricity (e) 0.002497 0.000466
    Inclination (i) 99.4870° 97.7828°
    RAAN 61.4811° 288.0664°
    Perigee Argument 336.2693° 141.7553°
    Mean Anomaly (M) 23.7362° 218.3994°
    Apogee 638.416 km 610.052 km
    Perigee 603.466 km 603.546 km
    Orbit Epoch 2026-10-15T19:55:22+0000 2026-10-15T17:01:23+0000

    FENGYUN 1C DEB & SHIYAN 23 (SY-23) Collision Probability (Pc) Trend

    FENGYUN 1C DEB & SHIYAN 23 (SY-23) Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & SHIYAN 23 (SY-23) Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & SHIYAN 23 (SY-23) Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SHIYAN 23 (SY-23)Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    SHIYAN 23 (SY-23)Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data